PERIODIC OVERLOADS AND RANDOM FATIGUE BEHAVIOR
THE STRESS-STRAIN RESPONSE FOR A COMPLEX VARYING LOAD WAS ANALYSED ON THE BASIS OF A CYCLIC STRESS-STRAIN CURVE OBTAINED BY INCREMENTAL STEP STRESS TESTS. A NEW CUMULATIVE FATIGUE DAMAGE LAW WAS PROPOSED, CONSIDERING THE FACT THAT THE CYCLIC STRESS-STRAIN CURVE FOR COMPLEX VARYING LOAD DIFFERS FROM THAT FOR CONSTANT AMPLITUDE CYCLIC LOAD. ASSUMING THAT LOCAL STRESS-STRAIN BEHAVIOR AT A STRESS CONCNETRATION OR A CRACK TIP IS SIMILAR TO THAT OF THE BULK MATERIAL, THE LAW WAS EXTENDED TO THE CASE OF NOTCHED SPECIMEN, AND THE EXTENSION WAS VERIFIED BY EXPERIMENT. /ASTM/
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Supplemental Notes:
- Rept NO: ASTM 519
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Corporate Authors:
Cyclic Stress-strain Behavior
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Authors:
- WATSON, P
- Hoddinott, D S
- Morman, J P
- Publication Date: 1971-12
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 271-84
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Serial:
- Publication of: Cyclic Stress-strain Behavior
- Publisher: Cyclic Stress-strain Behavior
Subject/Index Terms
- TRT Terms: Deformation curve; Easements; Fatigue (Mechanics); Loss and damage; Planting; Repeated loads; Stresses
- Uncontrolled Terms: Stress concentration
- Old TRIS Terms: Notch
- Subject Areas: Bridges and other structures; Highways;
Filing Info
- Accession Number: 00209941
- Record Type: Publication
- Report/Paper Numbers: S Tech Pub
- Files: TRIS
- Created Date: Oct 24 1973 12:00AM